The phrase "allowed to capitalize" is correct and usable in written English.
It can be used when discussing the permission or ability to use capital letters in writing, often in the context of grammar or style guidelines.
Example: "In this document, you are allowed to capitalize proper nouns and the first word of each sentence."
Alternatives: "permitted to capitalize" or "authorized to capitalize".
In Wednesday's decision, Snyder v. Phelps, No. 09-751, Justice Alito wrote that the Westboro church may speak out in many ways in many places and should not be allowed to capitalize on the private grief of others.
The interviewees had focused on their credentials and competence, and this made me feel like I was stuck inside a version of the movie Groundhog Day, having the same conversations over and over (and unlike Bill Murray, I wasn't allowed to capitalize on the humor of that!).
Moreover, this flexibility brought by the modular conception also allows to capitalize on the previous developments by incremental update of the simulation framework and makes it sustainable in time.
(Case in point, before blogging, were we allowed to randomly capitalize letters for emphasis?).
The security company hired by the government at huge expense proved to be wildly incompetent; the Olympic brand managers have made it clear that no one, apart from official sponsors, will be allowed to appear to capitalize on the Games.
The final debate in 1980 allowed Ronald Reagan to capitalize on the weak economy, for example.
Two early box kicks failed to find their mark, before slow distribution allowed Ireland to capitalize from a penalty just before half time.
But most important, the deal allowed Mr. Case to capitalize on the remarkable opportunity provided by the then-soaring stock market and use his rich stock to buy a top-tier company with solid assets on terms that might not be available again.
Instead of adopting a strategy that would have allowed Ukraine to capitalize on its close cultural, religious and economic ties with Russia, and which could have also served to build deeper ties between Western Europe and Russia, from the outset European negotiators went out of their way to turn Union association into a loyalty test.
Delays obtaining internal CNOOC corporate approvals allowed Chevron to capitalize on U.S. political opposition to the deal and scoop up Unocal from under Beijing's nose.
This approach allowed us to capitalize on the students' prior knowledge and established a foundation for identifying the similarities and differences between contemporary birds and the ancient aquatic bird Hesperornis (see Appendix B for more information about this organism).
